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Question

Ratio of males to females in village ‘A’ and village ‘B’ is 2:5 and 9:10, respectively and number of females in village ‘B’ is 25% more than that in village ‘A’. Find difference between number of males in villages ‘A’ and ‘B’ if number of males in village ‘B’ is 900.

A 580 Correct Answer Incorrect Answer
B 570 Correct Answer Incorrect Answer
C 590 Correct Answer Incorrect Answer
D 530 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Number of females in village ‘B’ = 10/9 × 900 = 1000 Number of females in village ‘A’ = 1000/1.25 = 800 Number of males in village ‘A’ = 2/5 × 800 = 320 Desired difference = 800 – 320 = 580

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